// Copyright 2022 jeff.li. and/or its affiliates.
/*
 * Acknowledgement: This file originates from incubator-tvm
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
#include <tbir/ir/_base/object_hash.h>
#include <tbir/ir/_base/string_ref.h>
#include <tbir/runtime/registry.h>

namespace tbir::runtime {

    size_t ObjectHash::operator()(const ObjectRef &a) const {
        const Object *obj_ptr = a.get();
        switch (a->type_index_) {
            case TypeIndex::kRuntimeStringRef: {
                auto node = reinterpret_cast<const StringNode *>(obj_ptr);
                return BytesHash(node->data_container.data(), node->data_container.size());
            }
                break;
            default: {
                return ObjectPtrHash()(a);
            }
                break;
        }
    }

    TBIR_REGISTER_GLOBAL("runtime.ObjectRefHash").set_body_typed([](ObjectRef obj) {
        return static_cast<int64_t>(ObjectHash()(obj));
    });

    TBIR_REGISTER_GLOBAL("runtime.ObjectPtrHash").set_body_typed([](ObjectRef obj) {
        return static_cast<int64_t>(ObjectPtrHash()(obj));
    });

}  // namespace tbir::runtime
